Well Control Professional Tube BOP Control Line

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Well Control Professional Tube BOP Control Line

Q: What is the fastener and others?: Fasteners are collectively referred to as a class of mechanical parts used to fasten two or more parts (or components) into a unit. Fasteners include bolts, studs, screws, nuts, washers, Pin, etc.,

Q: High-strength screw standard parts of the quality of what data: High strength bolts are used for connecting bridges, rails, high pressure and ultrahigh pressure equipment.

Q: In the fastener industry, 1018 refers to what material: Low-carbon steel. Domestic in accordance with the Japanese standard to create the SWRCH18A. (JIS G 3507) Carbon C: 0.15 to 0.20 Silicon Si: 0.17 to 0.37 Mn Mn: 0.60 to 0.90 Phosphorus P: ≤0.030 Sulfur S: ≤0.035 The carbon content of the material is relatively low and can not be quenched and tempered. Used for cold piers to make low-grade screws. Pull up the strength of 450Mpa.

Q: Who is the information on fasteners ah?: Fastener materials (steel wire, stainless steel wire) Fasteners use tools, fastening systems.

Q: For the commonly used standard parts, for some of the quality of good or bad, how to distinguish,: If the hexagonal hexagonal, with your fixed wrench or torque wrench directly try the size of the accuracy, tight to see a few times to see wear resistance.

Q: Is it hard to heat the fasteners?: Fasteners are also known as standard parts, which are mainly heat-treated according to the material of the product.

Q: What is the name of the screw (fastener)?: By specifications: M3. M4. M5. M6. M8. M10. M12 By head type: a. Flat head b. Small head (countersunk head)By the shape: a. Cylindrical light body b. Hexagonal c. Semi-hexagonal d. Cylindrical column posture

Q: Does the fastener include screws?: It usually includes the following types of parts

Q: Are there categories of fasteners classified by material?: Low carbon steel Q235, low carbon alloy steel Q345, 10B21 medium carbon steel 35K 45K, high carbon alloy steel 40CR 435crmo, stainless steel 303 304 316. Stainless steel 201. etc., the number of materials, but generally determine the amount of carbon fasteners, etc. To what level. Of course, like 10B21 this low-carbon alloy steel can reach 8.8 level

Q: Our company to purchase a number of fasteners to see when the CAD drawings in the technical requirements I do not know the specific to write those content: Name: Bolt nut flat cushion pad - (should be written in the national label) Drawing No .: Ask the engineer Material: Q235 Q235 steel spring steel ---- ordinary 35 steel 35 steel spring steel ---- high strength ratio: according to the actual Drawing quality: check the information or do not fill the level: 4.8 5 200HV 65MN ------ ordinary 8.8 8 300HV 65MN ------ high strength specifications: write their own

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